[BioC] error messages when opening R

[Lana Schaffer]

Hi,
I just opened R and received these messages.  I didn't notice them before.

Loading required package: Biobase 
Loading required package: tools 
Welcome to Bioconductor 
         Vignettes contain introductory material.  To view, 
         simply type: openVignette() 
         For details on reading vignettes, see
         the openVignette help page.
Error in inherits(x, "factor") : couldn't find function "winMenuNames"
In addition: Warning message: 
In the method signature for function "contents", no definition for class(es): "environment" in: matchSignature(signature, fdef, where) 
Loading required package: stats 
[Previously saved workspace restored]

Could you tell me what to do with these messages?
thanks,
lana
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